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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class RemoveProjectLabelsGroupId < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
update_column_in_batches(:labels, :group_id, nil) do |table, query|
query.where(table[:type].eq('ProjectLabel').and(table[:group_id].not_eq(nil)))
end
end
def down
end
end
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